#pragma once

#include <iostream>
#include <string>
#include <fstream>
#include <unordered_map>
#include "Log.hpp"

//单词的处理方法

const std::string dictname = "./dict.txt";
const std::string sep = ":";
extern Log lg;

static bool Split(std::string &s, std::string *part1, std::string *part2)
{
    auto pos=s.find(sep);  //找分割符
    if(pos==std::string::npos)  return false;
    *part1=s.substr(0,pos);
    *part2=s.substr(pos+1);
    return true;
}

class Init
{
public:
    Init()
    {
        std::ifstream in(dictname);   //打开文件进行读取的标准操作,in: 这是一个变量名，表示创建的 ifstream 对象
        if(!in.is_open())
        {
            lg(Fatal, "ifstream open %s error", dictname.c_str());
            exit(1);
        }
        std::string line;   //一行
        while(std::getline(in,line))
        {
            std::string part1,part2;
            Split(line,&part1,&part2);
            dict.insert({part1, part2});
        }
        in.close();
    }

    std::string translation(const std::string& key)
    {
        auto iter=dict.find(key);
        if(iter==dict.end())  return "Unkown";
        return iter->second;
    }

private:
    std::unordered_map<std::string,std::string> dict;
};